Privilege escalation in Nomad

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU63504

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-30324

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the go-getter library, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Nomad: 1.1.0 - 1.3.0

External links

http://github.com/hashicorp/nomad/releases/tag/v1.3.1
http://github.com/hashicorp/nomad/releases/tag/v1.1.14
http://github.com/hashicorp/nomad/releases/tag/v1.2.8

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.